Finding the Third Proportional to 21,301.50 and 43,647

Step by Step Solution

1. Step 1: Write the proportion equation
   21,301.50 : 43,647 = 43,647 : x
2. Step 2: Convert to fraction form
   21,301.50/43,647 = 43,647/x
3. Step 3: Cross multiply
   21,301.50x = 43,647 × 43,647
4. Step 4: Simplify right side
   21,301.50x = 1,905,060,609
5. Step 5: Solve for x
   x = 1,905,060,609/21,301.50
6. Step 6: Final answer
   x = 89,433.17